Optics: image projectors – Polarizer or interference filter
Reexamination Certificate
2011-01-25
2011-01-25
Sohn, Seung C (Department: 2878)
Optics: image projectors
Polarizer or interference filter
C353S085000, C359S237000, C359S238000
Reexamination Certificate
active
07874680
ABSTRACT:
A projector includes: a light source unit which supplies coherent light; a spatial light modulating unit which modulates the coherent light supplied from the light source unit according to an image signal; a projection optical system which projects light modulated by the spatial light modulating unit; and a light shifting unit disposed on an optical path of the projection optical system to shift light in a direction substantially perpendicular to an optical axis.
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Oliff & Berridg,e PLC
Seiko Epson Corporation
Sohn Seung C
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